Abstract: An electrical circuitry fitted to be connected or to be an integral part of a bone fixation device having at least one linear actuator coupled between two rings, including: at least one linear actuator connector, mechanically and/or electrically connectable to said at least one linear actuator; a control circuitry, wherein said control circuitry measures a value related to the movement of said at least one linear actuator and/or to the distance or change in distance between said two rings, by receiving signals from said linear actuator connector; and a memory, wherein said memory stores said value.

Abstract: An electrical circuitry fitted to be connected or to be an integral part of a bone fixation device having at least one linear actuator coupled between two rings, including: at least one linear actuator connector, mechanically and/or electrically connectable to said at least one linear actuator; a control circuitry, wherein said control circuitry measures a value related to the movement of said at least one linear actuator and/or to the distance or change in distance between said two rings, by receiving signals from said linear actuator connector; and a memory, wherein said memory stores said value.

Abstract: An electrical circuitry fitted to be connected or to be an integral part of a bone fixation device having at least one linear actuator coupled between two rings, including: at least one linear actuator connector, mechanically and/or electrically connectable to said at least one linear actuator; a control circuitry, wherein said control circuitry measures a value related to the movement of said at least one linear actuator and/or to the distance or change in distance between said two rings, by receiving signals from said linear actuator connector; and a memory, wherein said memory stores said value.

Abstract: A medical device, comprising: a medical strut; a preloader configured to store energy, wherein the medical strut is configured to transform the energy stored in the preloader to a first force applicable to a bodily tissue; an actuator configured to apply a second force to adjust the length of the medical strut, thereby facilitating the transforming the stored energy to the first force; and a controller configured to control the actuator.

Abstract: A medical device, comprising: a medical strut; a preloader configured to store energy, wherein the medical strut is configured to transform the energy stored in the preloader to a first force applicable to a bodily tissue; an actuator configured to apply a second force to adjust the length of the medical strut, thereby facilitating the transforming the stored energy to the first force; and a controller configured to control the actuator.